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Empire Basin - Banner repeater - positioned and servo operated

Fen End Pit

Entry posted by Fen End Pit

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The banner signal has now been positioned on the layout. It is tight against the wall of the viaduct and I actually have to do a little bit of work as the wall of the parapet would actually be a bit too close. The driver's eye view shows the On and Off position. The Off is not quite a steep enough angle but I'm afraid it will have to do as getting a stepper angle would mean having to adjust the rather delicate push rod.

 

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The curve probably demonstrates why the repeater was necessary, particularly as the platform, canopy and back wall of the station will block any view of the starter from this point.

 

The banner is controlled using a servo and MERG Servo 4 board. The servo is held on a simple plasticard holder which bolts through the baseboard. I had to make an extension cable for the servo to reach the servo4 board of about 1/2 metre but this hasn't impacted the performance of the servo. I think this shot demonstrates just how good a servo is for this kind of job. The ability to install it, and then adjust the throw of the servo from my PC makes setting up much easier. Apologies for the loose end of the signal wires, I need to extend them and the point rodding further along the layout.

 

blogentry-7212-0-61554100-1322780541_thumb.jpg

 

Looking at the scene overall the Metcalf water tower was built by my son a few years back. It will be replaced by a GER structure in roughly the same position so that I can have a water crane at the platform end. If anyone has any suitable prototype photographs around I'd love to see them.

 

I think next up is going to be the last visible signal on the scene, the down home. This is probably going to be a bracket signal, the idea that the bracket positions the signal over the track so that it is more clearly visible on the inside of the curve.

 

David

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davec.hh

Hi,

 

The repeater looks very good. When I eventually get round to signals I'll be wanting to use servos. Which servos do you use?

 

Many thanks

 

DaveC

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Fen End Pit
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Hi Dave

The servo is a Tower Pro Sg-90. I recommend 'Giantcod.co.uk' as a source of servos. Good service, decent prices and a little less scary than ordering direct from the far east.

David

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Portchullin Tatty

This does look good and I think the servo control will be very effective.

 

As someone who is presently waiting for a delivery from the far east on the servo front, thanks for the tip about Giantcod!

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